These are the swim bottoms she ll wear all summer long! Made from a stretchy blend of polyester and spandex  they have a generous cut for extra modesty and a no-tug design that keeps them from shifting around and riding up. She can run  swim  jump and play  and they ll stay in place and keep her covered. The amazing fabric also provides UPF 50 sun protection. Combine them with a rash guard and she ll need less sunblock to stay safe from burns  and you ll enjoy knowing she s covered in protection that can t be washed away.